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We cleaned up your engine room...now clean up your transom!

The Walker Fuelsep is the perfect complement for your AIRSEP equipped boat or auxiliary diesel engine. Designed to be a permanent fuel treatment, the FUELSEP helps reduce black diesel soot, and helps your engine get the maximum power from every drop of fuel that your engine uses. Check out our full line of FUELSEPS to take your engine to the next level. Easy to install, there is a size for every diesel engine horsepower rating.


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